US PATENT SUBCLASS 340 / 392.2
.~.~ Rotary actuator

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

384.1  DF  AUDIBLE INDICATION {11}
392.1  DF  .~ Percussion-type sound producer (e.g., signal chimes or bells) {15}
392.2.~.~ Rotary actuator

DEFINITION

Classification: 340/392.2

Rotary actuator:

(under subclass 392.1) Subject matter comprising a driving mechanism operated by an electric motor to move in a circular motion to actuate the striking means.